[특허]Rotary vane compressor with suction port adjustment

[미국특허] Rotary vane compressor with suction port adjustment 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04C-018/00 F04C-029/08
출원번호	US-0343862 (1982-01-29)
우선권정보	JP-0012426 (1981-01-29)
발명자 / 주소	Maruyama Teruo (Neyagawa JPX) Yamauchi Shinya (Katano JPX) Kagoroku Nobuo (Otsu JPX)
출원인 / 주소	Matsushita Electric Industrial Co., Ltd. (Osaka JPX 03)
인용정보	피인용 횟수 : 21 인용 특허 : 0

초록 ▼

A sliding vane type rotary compressor, of which refrigerating capacity at the high speed operation of the compressor is suppressed by making use of suction loss involved when refrigerant pressure in the vane chamber becomes lower than the pressure of the refrigerant supply source in the suction stroke of the compressor. The compressor has a rotor, vanes slidably carried by the rotor, a cylinder accommodating the rotor and the vane, side plates fixed to both sides of the cylinder for closing both open ends of the vane chambers defined by the rotor, vanes and the cylinder, and suction and discharge ports serving as passages for communicating the vane chambers with the outside of the compressor. A spacer for adjustment of the refrigerating capacity is disposed in the suction port. When the compressor of the invention is used in the refrigeration cycle of an automobile air conditioner, it is possible to obtain a desired refrigerating capacity controlling characteristics of the compressor matching the characteristics of the associated engine and automobile, simply by selecting a suitable spacer and mounting the same in the sucking section of the compressor, without substantially changing other parts of the compressor.

대표청구항 ▼

In a sliding vane type compressor, in which a refrigerating capacity during high speed operation is suppressed by a suction loss produced when refrigerant pressure in a vane chamber becomes lower than the pressure of a refrigerant supply source in the suction stroke, and including a rotor haing vanes slidably mounted thereon, a cylinder accommodating said rotor and said vanes, side plates secured to both sides of said cylinder for sidewise closing both open ends of vane chambers defined by said vanes, rotor and said cylinder, and suction and discharge ports respectively communicating with suction and discharge passages and for providing communication between said vane chambers to the outside of said compressor, said suction passage leading from an evaporator to a said vane chamber, the top of said cylinder being positioned at a location where said rotor and cylinder are closest to each other, the improvement in which a spacer provided with an aperture for determining an effective area of said suction passage and for adjusting a self-suppressing action of a compressor refrigerating capacity is mounted near said suction port in said suction passage in such a manner as to meet a condition of 0.025qs /Vowhere the parameter is determined by the following equation: [Figure] where qqqs radian which is determined by the position of said vane at the end of the suction stroke and a(q2) represents the effective area of the suction passage leading from said evaporator to a said vane chamber as determined by said spacer.

이 특허를 인용한 특허 (21) 인용/피인용 타임라인 분석

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Santos, Pedro; Pitts, Jeremy; Nelson, Andrew; Santen, Johannes; Walton, John; Westwood, Mitchell; O'Hanley, Harrison, Compressor with liquid injection cooling.
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Pekrul, Merton W., Rotary engine vane apparatus and method of operation therefor.
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Pekrul, Merton W., Rotary engine vane cap apparatus and method of operation therefor.
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Pekrul, Merton W., Rotary engine vane conduits apparatus and method of operation therefor.
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Pekrul, Merton W., Rotary engine vane head method and apparatus.
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Pekrul, Merton W., Rotary engine vane wing apparatus and method of operation therefor.
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Thomas, Jr., Delbert L.; Otte, William S.; Westlake, Lorraine J., Rotary vane compressor with interchangeable end plates.
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Chang, Barry, Sawdust removing device for a band saw machine.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Rotary vane compressor with suction port adjustment 원문보기